Question: What position was held by Boutros Boutros-Ghali in 1992?
Paraphrase: What was the job of Boutros-Ghali in 1992?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q1257 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1992')) }